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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:228AW GHM

Order: 19

Horizontal side: 228 Vertical side: 228

Elements: 11, 11√2, 22, 28, 22√2, 23√2, 35, 28√2, 42, 44, 35√2, 56, 58, 42√2, 86, 114, 86√2, 142, 114√2.

Code: 1425 0 86 1144 114 114 1143 228 114 284 142 86 283 170 86 352 205 79 581 228 114 867 0 86 860 86 86 424 128 44 423 170 44 353 205 44 232 228 56 563 228 0 441 172 44 222 194 22 221 194 44 112 205 33 111 205 44

The properties below may precede order:side in a tiling's title:

Credit for Discovery

Just three people are credited with the discovery of Primitive Perfects:

Geoffrey H. Morley (GHM, England)

Jasper D. Skinner, II (JDS, United States)

William T. Tutte (WTT, Canada, 1917-2002) (15:44AI, 17:136AJ and 19:56AJ only)

142
114√2
114
28√2
28
35√2
58
86
86√2
42√2
42
35
23√2
56
44
22√2
22
11√2
11